Sandy and BOb are moving to a new house .They have ordered some new______

问题描述:

Sandy and BOb are moving to a new house .They have ordered some new______
A furniture B pieces of furniture C furnitures D piece of furniture
选项是A,为什么B不对呢

家具 furniture 为不可数名词,为统称名词.所以不能复数,也不能加单位